Ameritrade Finance Chief Slezak
Decides to Retire at a Young Age

OMAHA, Neb. -- Robert T. Slezak, chief financial officer and treasurer of fast-growing online broker Ameritrade Holding Corp., will retire later this year, the company said.

Mr. Slezak, 42 years old, is retiring to pursue "personal goals," Ameritrade Co-Chief Executive J. Joe Ricketts said in a statement. Co-Chief Executive Tom Lewis added in an interview, "He's a young guy and he has a chance to enjoy his life, and...